Required command not provided

[bello89808m]

I'm on macbook and as soon as I open the terminal, it says that Required command is not provided and then doesn't let me type anything else. How should I fix this?

Required command was not provided.

dotnet-core-uninstall:
Remove specified .NET Core SDKs or Runtimes. By default, this tool does not
uninstall versions that might be needed for Visual Studio for Mac or SDKs.
Read the documentation for the .NET Core Uninstall Tool at
https://aka.ms/dotnet-core-uninstall-docs.

Usage:
dotnet-core-uninstall [options] [command]

Options:
--version Show version information
-?, -h, --help Show help and usage information

Commands:
list List .NET Core SDKs or Runtimes that can be
removed with this tool.
dry-run, whatif Display .NET Core SDKs and Runtimes that will
be removed.
remove Runtimes.
Remove the specified .NET Core SDKs or

Saving session...
...copying shared history...
...saving history...truncating history files...
...completed.

[Process completed]